MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73b4197735fc62bb150f2be14b243a36d9e3a67c74513df82e06a95651792331. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73b4197735fc62bb150f2be14b243a36d9e3a67c74513df82e06a95651792331
SHA3-384 hash: c16bf43b93d3105b2d52fbf88999850476510d7e12466388ee359710ec56f0d5b8e926acfe05b9a60b3e4520d0747176
SHA1 hash: 516a3e310ccd3bba8e7d8220717f3e2721303df0
MD5 hash: be093382b89ca448e81b889490d55070
humanhash: river-princess-ack-victor
File name:nklarm7
Download: download sample
Signature Mirai
Create hunting rule
File size:75'168 bytes
First seen:2025-03-06 00:31:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:NRnZzxaSMIArEY7Zb08Pat44ZlC8Zh5vR9KWj949lZEin/6QaQI3:Rx9MaY7Zo894ZlC8Zh5vR9KWWV6Q/
TLSH T1AB73E54AFC819F11D5D422BAFA2E018D332767A8E3EF7212DD105B2567CA91F0E77912
telfhash t115e02b2aac2d49acd7f2633c86bd620b487933f0220103419d25875d44228e0b22e8b6
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29229.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30481.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c8ee7bc668b65489bf5190linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Sends data to a server
Opens a port
Creating a file
Receives data from a server
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/67c8ed0f4a3011c802c8c6d3/reports/0f1c480c-4af9-4d14-a491-3377c5eac2d2/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/73b4197735fc62bb150f2be14b243a36d9e3a67c74513df82e06a95651792331
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2509c806-ced5-469d-87d9-d4bdf0c641a2
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1630536
Signature
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1630536 Sample: nklarm7.elf Startdate: 06/03/2025 Architecture: LINUX Score: 52 14 watchmepull.dyn. [malformed] 2->14 16 129.76.65.157 WN-WY-ASUS United States 2->16 18 100 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 8 nklarm7.elf 2->8         started        signatures3 22 Sends malformed DNS queries 14->22 process4 process5 10 nklarm7.elf 8->10         started        process6 12 nklarm7.elf 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/73b4197735fc62bb150f2be14b243a36d9e3a67c74513df82e06a95651792331
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/73b4197735fc62bb150f2be14b243a36d9e3a67c74513df82e06a95651792331/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-03-06 00:32:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oo2bs5zv7rrlwfipfpquwjb2g3m6hjt4orit36boa2uvmulzemyq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion discovery
Link:
https://tria.ge/reports/250306-avq4jatsew/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (183227) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9970440-0
YARA:
n/a
Link:
https://app.threat.zone/submission/67c98c7e-9166-4f33-887b-a513d0810d11
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/73b4197735fc62bb150f2be14b243a36d9e3a67c74513df82e06a95651792331

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 73b4197735fc62bb150f2be14b243a36d9e3a67c74513df82e06a95651792331

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3424107/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3422968/
  
URLhaus
https://urlhaus.abuse.ch/url/3424006/

Comments